Flow of Matter in Ecosystems

What is an ecosystem?

• a group of connected organisms

• a specific place where an organism lives

• an area with the same vegetation and climate

• an imaginary sphere containing all life on Earth

What does it mean to digest?

• to breathe

• to eat food

• to build body parts

• to break down food

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NGSS.MS-LS1-7

What is a producer?

• It eats.

• It is fast.

• It changes locations.

• It makes its own food.

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Which type of organism eats decaying organic matter?

• carnivore

• decomposer

• herbivore

• omnivore

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A snake is a:

• carnivore

• herbivore

• omnivore

• decomposer

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What is a nutrient?

• a unique biome

• a process to digest food

• a building block for animals

• a plant that produces and consumes

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Which organism helps clean up animal waste in ecosystems?

• dung beetle

• earth worm

• raven

• turkey vulture

Which model helps scientists understand how organisms obtain matter?

• food chain

• water cycle

• atomic theory

• plate tectonics

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How do organisms obtain matter for their bodies?

• air

• food

• sunlight

• water

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Which type of scientist studies ecosystems?

• ecologist

• geologist

• hydrologist

• zoologist